package com.lagou.edu.service;

import com.lagou.edu.pojo.Bill;

import java.util.List;
import java.util.Map;

public interface BillService {

    void addBill(Bill bill);

    Bill queryBill(String billNum);

    List<Bill> queryBillList(Map<String, Object> map);

    void deleteBill(String billNum);
}
